13212013222 has 4 divisors (see below), whose sum is σ = 19818019836. Its totient is φ = 6606006610.

The previous prime is 13212013207. The next prime is 13212013237. The reversal of 13212013222 is 22231021231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13212013207) and next prime (13212013237).

It is a super-3 number, since 3×13212013222³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13212013222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303003304 + ... + 3303003307.

It is an arithmetic number, because the mean of its divisors is an integer number (4954504959).

Almost surely, 2^13212013222 is an apocalyptic number.

13212013222 is a deficient number, since it is larger than the sum of its proper divisors (6606006614).

13212013222 is an equidigital number, since it uses as much as digits as its factorization.

13212013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606006613.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13212013222 its reverse (22231021231), we get a palindrome (35443034453).

The spelling of 13212013222 in words is "thirteen billion, two hundred twelve million, thirteen thousand, two hundred twenty-two".